-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 To ensure the image has not been corrupted in transmit or tampered with, perform the following two steps to cryptographically verify image integrity: 1. Verify the authenticity of this file by checking that it is signed with our GPG release key: $ curl https://raw.githubusercontent.com/turnkeylinux/common/master/keys/tkl-buster-images.asc | gpg --import $ gpg --list-keys --with-fingerprint release-buster-images@turnkeylinux.org pub rsa4096 2020-02-05 [SC] [expires: 2040-01-31] A8B2 EF42 8781 9B03 D351 6CCA 7623 1C20 425E 9772 uid [ unknown] TurnKey GNU/Linux Buster Images (GPG signing key for TurnKey Linux Buster Images) sub rsa4096 2020-02-05 [S] [expires: 2040-01-31] $ gpg --verify turnkey-e107-16.1-buster-amd64.iso.hash gpg: Signature made using RSA key ID A8B2EF4287819B03D3516CCA76231C20425E9772 gpg: Good signature from "0" 2. Recalculate the image hash and make sure it matches your choice of hash below. $ sha256sum turnkey-e107-16.1-buster-amd64.iso 09b87de96096dfeccbb26467479a662425d48581a3130c739553fa85140ea7b5 turnkey-e107-16.1-buster-amd64.iso $ sha512sum turnkey-e107-16.1-buster-amd64.iso 066cb34837b02a678fd226d2faa75476fde5a558bfe0866efd417c0aab4f1c48d37b77ca5ac35f1377dfe543864b19e6ee3b395986afe709d993823f68335629 turnkey-e107-16.1-buster-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-e107-16.1-buster-amd64.iso.hash turnkey-e107-16.1-buster-amd64.iso: OK $ sha512sum -c turnkey-e107-16.1-buster-amd64.iso.hash turnkey-e107-16.1-buster-amd64.iso: OK Final note, when checking SHAs automatically, please ignore warning noting that some lines are improperly formatted. -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAmA7b5YACgkQrF6wBJPl vByf9A//Vl5aD/SADwqal+WGeC3iGKsBN5cv84oqHW4Urg/Db2i2AW1vVKs3M3N+ zc7PKHv4Cp7ZtDlOm3WYom4wlLEBNWDLHul+LNNyRwojBFOEg9fWgxnIRl3SgM3u Hgybu3g8cFo/QQ0yNxX7mENmjs7hAW5BB22mZh4OZRQTlVKziY+72Jp/xNhPXSFt ccsybEpKJUfBUJstT2PmHQzrfZJm893cVkQfyHfjadezVaSLwy/nnMrxthZNl1o3 AQfTTWsOSIqx/JR05X04kvTuMsVwmEPP7eFMTTAWUhmOTimidUE7YyK0ci7qcZG2 MkB0a9FfOPOY714wJu5k4JyuERqcNZMpg55QEiD7lLhpaVJn4+OzL8dB0c8nqoBr CkfTye5kTBxZxoCYEpQcjOCWv7x5rN+Xmr1mqpOAL5XXEXa050MLD8Fx3XGc4duM jUbq+KBrg7hMlnfZKGF6TNEImlyysMKwbwPYPGs94C5rZdY+3xAUODq33Y3yAO7H mUEafZFwbyM2nKDRYGnAcpH4jpERxHb6hOvJT1hF82CGVbWYwwjxu7/lRhmi1qRs cx02t5UT4qrWa6X8QgFQLvzwMavl4PfQ27Pkd7u7rsX6DBQxE40Jkx4698R9fWPs 3Dq0hoFUzpFEs4fY10K3wh2Jntyysvz4R9PTNH4AEycpqnGNsag= =ul6q -----END PGP SIGNATURE-----